src/mesa/drivers/dri/i965/intel_screen.h

   1 /*
   2  * Copyright 2003 VMware, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef _INTEL_INIT_H_
  27 #define _INTEL_INIT_H_
  28
  29 #include <stdbool.h>
  30 #include <sys/time.h>
  31
  32 #include <GL/internal/dri_interface.h>
  33
  34 #include "isl/isl.h"
  35 #include "dri_util.h"
  36 #include "brw_bufmgr.h"
  37 #include "common/gen_device_info.h"
  38 #include "i915_drm.h"
  39 #include "xmlconfig.h"
  40
  41 #ifdef __cplusplus
  42 extern "C" {
  43 #endif
  44
  45 struct intel_screen
  46 {
  47    int deviceID;
  48    struct gen_device_info devinfo;
  49
  50    __DRIscreen *driScrnPriv;
  51
  52    uint64_t max_gtt_map_object_size;
  53
  54    /** Bytes of aperture usage beyond which execbuf is likely to fail. */
  55    uint64_t aperture_threshold;
  56
  57    bool no_hw;
  58    bool hw_has_swizzling;
  59    bool has_exec_fence; /**< I915_PARAM_HAS_EXEC_FENCE */
  60
  61    int hw_has_timestamp;
  62
  63    /**
  64     * Does the kernel support context reset notifications?
  65     */
  66    bool has_context_reset_notification;
  67
  68    /**
  69     * Does the kernel support features such as pipelined register access to
  70     * specific registers?
  71     */
  72    unsigned kernel_features;
  73 #define KERNEL_ALLOWS_SOL_OFFSET_WRITES             (1<<0)
  74 #define KERNEL_ALLOWS_PREDICATE_WRITES              (1<<1)
  75 #define KERNEL_ALLOWS_MI_MATH_AND_LRR               (1<<2)
  76 #define KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3 (1<<3)
  77 #define KERNEL_ALLOWS_COMPUTE_DISPATCH              (1<<4)
  78 #define KERNEL_ALLOWS_EXEC_CAPTURE                  (1<<5)
  79
  80    struct brw_bufmgr *bufmgr;
  81
  82    /**
  83     * A unique ID for shader programs.
  84     */
  85    unsigned program_id;
  86
  87    int winsys_msaa_samples_override;
  88
  89    struct brw_compiler *compiler;
  90
  91    /**
  92    * Configuration cache with default values for all contexts
  93    */
  94    driOptionCache optionCache;
  95
  96    /**
  97     * Version of the command parser reported by the
  98     * I915_PARAM_CMD_PARSER_VERSION parameter
  99     */
 100    int cmd_parser_version;
 101
 102    /**
 103     * Number of subslices reported by the I915_PARAM_SUBSLICE_TOTAL parameter
 104     */
 105    int subslice_total;
 106
 107    /**
 108     * Number of EUs reported by the I915_PARAM_EU_TOTAL parameter
 109     */
 110    int eu_total;
 111
 112    bool mesa_format_supports_texture[MESA_FORMAT_COUNT];
 113    bool mesa_format_supports_render[MESA_FORMAT_COUNT];
 114    enum isl_format mesa_to_isl_render_format[MESA_FORMAT_COUNT];
 115 };
 116
 117 extern void intelDestroyContext(__DRIcontext * driContextPriv);
 118
 119 extern GLboolean intelUnbindContext(__DRIcontext * driContextPriv);
 120
 121 PUBLIC const __DRIextension **__driDriverGetExtensions_i965(void);
 122 extern const __DRI2fenceExtension intelFenceExtension;
 123
 124 extern GLboolean
 125 intelMakeCurrent(__DRIcontext * driContextPriv,
 126                  __DRIdrawable * driDrawPriv,
 127                  __DRIdrawable * driReadPriv);
 128
 129 double get_time(void);
 130
 131 const int*
 132 intel_supported_msaa_modes(const struct intel_screen  *screen);
 133
 134 static inline bool
 135 can_do_pipelined_register_writes(const struct intel_screen *screen)
 136 {
 137    return screen->kernel_features & KERNEL_ALLOWS_SOL_OFFSET_WRITES;
 138 }
 139
 140 static inline bool
 141 can_do_hsw_l3_atomics(const struct intel_screen *screen)
 142 {
 143    return screen->kernel_features & KERNEL_ALLOWS_HSW_SCRATCH1_AND_ROW_CHICKEN3;
 144 }
 145
 146 static inline bool
 147 can_do_mi_math_and_lrr(const struct intel_screen *screen)
 148 {
 149    return screen->kernel_features & KERNEL_ALLOWS_MI_MATH_AND_LRR;
 150 }
 151
 152 static inline bool
 153 can_do_compute_dispatch(const struct intel_screen *screen)
 154 {
 155    return screen->kernel_features & KERNEL_ALLOWS_COMPUTE_DISPATCH;
 156 }
 157
 158 static inline bool
 159 can_do_predicate_writes(const struct intel_screen *screen)
 160 {
 161    return screen->kernel_features & KERNEL_ALLOWS_PREDICATE_WRITES;
 162 }
 163
 164 static inline bool
 165 can_do_exec_capture(const struct intel_screen *screen)
 166 {
 167    return screen->kernel_features & KERNEL_ALLOWS_EXEC_CAPTURE;
 168 }
 169
 170 #ifdef __cplusplus
 171 }
 172 #endif
 173
 174 #endif